Finding the Third Proportional to 168,619.50 and 368,709.75
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Solution
The third proportional to 168,619.50 and 368,709.75 is: 806,234.63
Step by Step Solution
- Step 1: Write the proportion equation
168,619.50 : 368,709.75 = 368,709.75 : x - Step 2: Convert to fraction form
168,619.50/368,709.75 = 368,709.75/x - Step 3: Cross multiply
168,619.50x = 368,709.75 × 368,709.75 - Step 4: Simplify right side
168,619.50x = 135,946,879,745.06 - Step 5: Solve for x
x = 135,946,879,745.06/168,619.50 - Step 6: Final answer
x = 806,234.63
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.